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This Arduino device turns on a workshop’s air filtration system whenever it hears a saw

By on April 30, 2020
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Modern woodworking tools are amazing, allowing you to make any number of useful or decorative objects from the comfort of your garage. Unfortunately, they also produce a lot of dust, so YouTuber “Atomic Dairy” came up with the idea to install an air purifier that can cleanse the shop air eight times per hour. This only works if turned on, so he automated its operation with an Arduino Uno and a solid-state relay (SSR).

The AudioBot system uses a microphone to listen for loud noise, indicating that a saw is on and thus dust creation. When detected, the Arduino then signals the SSR to run for two hours to literally clear the air.

There’s also a start button and RF control unit to trigger the fan for an hour or add an hour to the current run time, which is displayed on a small LCD screen. A stop button cuts off the filter immediately when needed.

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About Emanuele Signoretta

Studying electronics and communication engineering at Politecnico di Torino. Electronics, IT and Open Source enthusiast.

2 Comments

  1. Pingback: This Arduino device turns on a workshop’s air filtration system whenever it hears a saw | HYPEREDGE EMBED

  2. Pingback: This Arduino device turns on a workshop’s air filtration system whenever it hears a saw – The Electronics Resource

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